Vulnerability Details : CVE-2021-4142
The Candlepin component of Red Hat Satellite was affected by an improper authentication flaw. Few factors could allow an attacker to use the SCA (simple content access) certificate for authentication with Candlepin.
Vulnerability category: BypassGain privilege
Products affected by CVE-2021-4142
- cpe:2.3:a:candlepinproject:candlepin:*:*:*:*:*:*:*:*
- cpe:2.3:a:candlepinproject:candlepin:*:*:*:*:*:*:*:*
- cpe:2.3:a:candlepinproject:candlepin:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-4142
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 15 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-4142
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2021-4142
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by:
- nvd@nist.gov (Secondary)
- secalert@redhat.com (Primary)
-
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.Assigned by:
- nvd@nist.gov (Secondary)
- secalert@redhat.com (Primary)
References for CVE-2021-4142
-
https://bugzilla.redhat.com/show_bug.cgi?id=2034346
2034346 – (CVE-2021-4142) CVE-2021-4142 Satellite: Allow unintended SCA certificate to authenticate CandlepinIssue Tracking;Vendor Advisory
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https://github.com/candlepin/candlepin/pull/3199
[3.1] Disallow authN with SCA certificate by nikosmoum · Pull Request #3199 · candlepin/candlepin · GitHubPatch;Third Party Advisory
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https://github.com/candlepin/candlepin/pull/3197
[3.2] Disallow authN with SCA certificate by nikosmoum · Pull Request #3197 · candlepin/candlepin · GitHubPatch;Third Party Advisory
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https://access.redhat.com/security/cve/CVE-2021-4142
CVE-2021-4142- Red Hat Customer PortalVendor Advisory
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https://github.com/candlepin/candlepin/pull/3198
[4.0] Disallow authN with SCA certificate by nikosmoum · Pull Request #3198 · candlepin/candlepin · GitHubThird Party Advisory
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